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The Youkai Thread

Yes, this the youkai Thread. Many youkai have been shown in the manga. Discuss about these youkais. We haven't discussed about their history, about their unshown strength, about their role in a hyakki yako, are there certain ancient histories being used in this story and many other things

Discuss everything youkai related over here

The biggest virtue is to support these Seven Deadly Sins in their fight!!!

Re: The Youkai Thread

Can I make a list of the youkai that appear in the manga and post it to this thread? Not really a discussion though, but there's a lot of youkai appeared in the manga and I though wouldn't it be better if there is a list of them?

Re: The Youkai Thread

Originally Posted by Sama_al_Azraq

Can I make a list of the youkai that appear in the manga and post it to this thread? Not really a discussion though, but there's a lot of youkai appeared in the manga and I though wouldn't it be better if there is a list of them?

Re: The Youkai Thread

Originally Posted by Sama_al_Azraq

Can I make a list of the youkai that appear in the manga and post it to this thread? Not really a discussion though, but there's a lot of youkai appeared in the manga and I though wouldn't it be better if there is a list of them?

That would be a great idea! Links to wiki articles or other info would be great too! I don't know much about Japanese mythology, some more information would be great

Re: The Youkai Thread

* Nurarihyon (ぬらりひょん) : A youkai that when you try to catch it, it just slip off your hand and appear in another direction. Originally a demonization of big jellyfish. A bald old man wearing a refined clothes. The youkai's leader theory came from Fujisawa Morihiko's Youkai Picture Story Compilation - Japan Arc. While theory of coming into people house started by Saitou Arifumi's 1972 book, Most Detailed Japanese Youkai Illustration.
- Nurarihyon, Nura Rihan, Nura Rikuo
* Yamabuki-otome : Kerria maiden. From a waka in Goshuui Wakashuu about Kerria lamenting it's inability to bear fruit.
* Yuki-onna (雪女) : Snow woman. A youkai from areas with a lot of snow. A beautiful woman with a cold body. Live in cold places and will melted if she took a bath with hot water.
- Tsurara, Setsura, Reira
* Aotabou (青田坊) : A depraved monk turn into youkai because of killing too much. Use brute strength to fight.
* Kurotabou (黒田坊) : A depraved monk turn into youkai. Wears black robe, a conical hat and use hidden weapons.
* Kappa (河童) : A youkai that lives in river, lake, swamp etc. Have webbed hands and feet, put a plate that always wet above his head. Said to have it's hand connected so if one of it's hand pulled out the other hand will be pulled in. There are 2 types : humanoid/monkey-like and tortoise-like. Love cucumber, fish, fruits and shirikotama. The cucumber part is because kappa associated to water god, and the offering to water god is cucumber.
* Nukekubi (抜け首) : A youkai with head detached from it's body.
- Kubinashi
* Kejourou (毛倡妓) : A female youkai with long hair. Dress like a courtesan and appears in brothel.
- Kino
* Karasu Ten'gu (烏天狗) : A crow ten'gu. In the past, ten'gu was used to refer falling star, but from Heian period, ten'gu started to be used to refer youkai that live deep inside the mountain. In Edo period, it's established that the one with long nose is Ooten'gu and their subordinate is Koppa/Konoha Ten'gu, while the crow-headed one is Karasu Ten'gu.
- Karasu Ten'gu, his 2 sons, Kuroumaru and Tosakamaru, and his daughter, Sasami
* Jami (邪魅) : Explained only as youkai that do harm to human. Originally from China, appears in Ge Hong's Shenxian zhuan. Mizuki Shigeru define it as youkai that attached to people that hated by others.
* Nattou-kozou (納豆小僧) : A small youkai with nattou as head.
* Toufu-kozou (豆腐小僧) : Hitotsume-kozou variant. Originally from a toufu shop's image character in Edo period. Always let his tongue out and bring a tray of toufu with him. The toufu will make molds grows all over the body if eaten. Harmless youkai.
* Ko'oni (小鬼) : Small oni.
* Te no me (手の目) : A youkai that have no eye in the face and have it in each of his palm instead. From a blind man that killed and turned into youkai from his grudge, the eyes popped up in his palm when he search around with his hand.
* San no kuchi (3の口) : A youkai with a 3-shaped mouth.
* Gyuuki (牛鬼) : A youkai with horned, bovine head and crab/spider-like body.
- Gyuuki, Gozumaru, Mezumaru, Negoro, Uwajima
* Mokugyo Daruma (木魚達磨) : A tsukumogami of a mokugyo that changed into dharma form. Youkai created from combining the theme of sleepless. Mokugyo is a tool to remind the monks to meditate without sleep and rest (fish always open it's eyes day and night). While Dharma meditated for 9 years without sleep.
* Zen (鴆) : Originally from China. Recorded on ancient texts like Shiji. A bird with deadly poison. It's as big as a hawk, have green feather and copper-colored beak. Have poisonous snake as it's diet. The poison made by dipping Zen's feather into a bowl of sake. The only thing that can neutralize Zen's poison is a rhinoceros' horn. Yun-ri and Yin-xie is the male and female version.
* Hihi (狒々) : Originally from China, taken from Sancai Tuhui. A large ape youkai. Live in the mountain, have brute strength, and likes to kidnap woman. When it meet human it will laugh, hence the name. About 3 meters tall, it's body covered with black hairy fur. Can understand human language and able to predict human's lifespan.
- Hihi, Shou'ei
* Hitotsume Nyuudou (一つ目入道) : One-eyed youkai in a form of a big monk.
* Soroban-bou (算盤坊) : A youkai that startle people by sounds of abacus, but when approached the sounds gone and comes out from another direction.
* Oomukade (大百足) : Giant centipede. There's a legend of the duel between giant centipede of Mt. Nantai and giant snake of Mt. Akagi. Snake symbolize river and represents people that gathering iron sands and producing iron, while centipede symbolize mine trail and represents people that mining ore such as native gold.
* Asajigahara no Kijo (浅茅ヶ原の鬼女) : An old woman and her daughter. From Hanakawado, Taito city, Tokyo. In Youmei emperor's time, Asajigahara is the only road that connected Oushuu and Shimousa. It was a wasteland and there's no place to rest, except a house. The grandmother pretended to let travelers rest, but when they sleep, she hit their head with the stone pillow, throw the bodies at the pond nearby and made a living with the stolen money. Killed 999 travelers until stopped by Asakusa Kannon Bossatsu.
* Mottainai Obake (もったいないお化け) : A ghost appear in a tv commercial made by Advertising Council Japan. If someone do something that wasteful, Mottainai Obake will appear at his pillow and preach him. There are some versions whether the soul will be taken, eaten or only preached according to the area the commercial broadcasted.
* Houkou (彭侯) : A tree spirit from Chinese folklore. It is described in Soushenji.
* Kyourinrin (経凛々) : A tsukumogami of Shubin's magical scroll that thrown away after his defeat against Kukai at rain-calling ceremony.
* Gagoze (元興寺) : A youkai that appeared at Gangouji temple. A corpse of the temple's servant that turned into youkai and killed children every night.
* Nekomata (猫又) : 100 years old cat turned into youkai. It's tail forked into two. The forked tail myth comes later at Edo period though, because the word's origin is from nekomata that cursed human by stradling on them.
- Nekome no Tsume, Ryoutaneko, Saburouneko
* Oboroguruma (朧車) : A semi-transparent oxcart without the ox to pull it, and the screen/blind became a big face instead.
* Takara-bune (宝船) : Seven Lucky Gods' ship. In the manga the room's name based on Seven Lucky Gods.
* Hebi-nyoro (蛇ニョロ) : A flying serpentine youkai with woman face.
* Abura-gaeshi (油返し) : Abura-bou variant. From Koya, Settsu no kuni, Hyougo prefecture. A will-o-wisp type youkai. Said to be from a soul of someone who stole oil from Nakayama temple. In early summer or winter night, appears from a grave and moves along pond or dike, ascend from Tenshin river to Nakayama.
* Sune-kosuri (脛擦り) : From Okayama prefecture. A youkai that appears at night. Youkai that looks like small animal such as cats or dogs. Snuggle up to one's feet and rub the shin, made it hard to walk.
* Ganbari Nyuudou (加牟波理入道) : A youkai that appears outside toiler at New Year's Eve. Enchant "Ganbari Nyuudou hototogisu" 3 times, and his head will fall. Put the head inside clothes and take it out again, and it will turn into gold pieces. The person will also safe and sound for all next year.
* Nuregarasu (濡烏) : Karasu Ten'gu's wife.
* Tsukumogami of Taisho Roman glasses (大正浪漫硝子の九十九神)
* Wanyuudou (輪入道) : A chart wheel with a bald man face in the middle. Wanyuudou's myth moral lesson is for mothers not to neglect their children or Wanyuudou will eat their children.
* Narigama (鳴釜) : A tsukumogami of an iron kettle. Originally from Okayama prefecture's myth about a kettle that can predict fortune.
* Tenaga (手長) : Long-armed people.
* Ashinaga (足長) : Long-legged people.
* Chouchin Obake (提灯お化け) : A paper lantern ghost.
* Ohagurobettari (お歯黒べったり) : Faceless woman with only mouth and blackened teeth. In Edo period, married woman have make up by blackening their teeth, so it is considered that Ohagurobettari is a woman that died during her wedding night and turned into youkai.
* Yamachichi (山地乳) : It's said that after years bat turned into nobusuma, then after more years turned into yamachichi. Ape-like with pointy mouth. Kisses a person while they sleep and sucks their breath and then tap the victim's chest. The victim will die the next day. But if someone saw the happening, the sucked person life will be prolonged.
* Amikiri (網切) : A youkai with shrimp body and crab-like scissor-hands.
* Dorotabou (泥田坊) : A muddy youkai. From a grudge of an old man that worked hard for his field when he alive, but his son neglected it and sold the field.
* Nuribotoke (塗仏) : A black buddha/corpse with popped-out eyes.
* Biwabokuboku (琵琶牧々) : A tsukumogami of a biwa.
* Karakasa (からかさ) : A tsukumogami of an old umbrella. Have one eye and it's handle become it's leg.
* Hone karakasa (骨傘) : A tsukumogami of an old umbrella that have it's cloth torn up and it's frame sticking out.
* Hatahiro (機尋) : Loom-weaved cloth that turned into snake-shaped youkai. There's a woman that felt grudge over her husband that never comes home. The cloth that she weaves confined with the grudge and take a shape of a snake to look for the husband.
* Tenjou-kudari (天井下り) : An ugly old woman that hanged upside down in the ceiling.
* Rokurokubi (轆轤首) : A youkai than can stretch it's neck.
* Nadezatou (撫で座頭) : A youkai that try to blame his sin to others or remove disaster fall upon him to others, hides it's true nature by pretends to be docile.
* Otoroshi (おとろし) : A big head with long hair and talons. Said to live at temple and give punishment to those who make graffiti or vandalism to the temple.
* Taketsubo (竹壷) : A tsukumogami of a bamboo pot. Used to store bandage.
* Kusuritsubo (薬壷) : A tsukumogami of a medicine pot. Used to store ointment.
* Oitekebori (置行堀) : Originally it's a youkai that tells fisherman to leave the catched fish behind, but it developed into youkai that asks for interesting thing to replace the old thing it gets bored into.
* Shirohebi (白蛇) : From Iwakuni city, Yamaguchi prefecture. White snake is said to be Benzaiten's familiar and bring monetary fortune. Believed to be an animal that brings good luck.
Kokehime (苔姫) : Land god that has her tears turn into pearls.
Senba (千羽) : Land god that heals people if they give him 1000 paper crane offerings.

* Inugamigyoubu Danuki (隠神刑部狸) : Leader of 808 tanuki. Try to take over Matsuyama castle but failed. Defeated and sealed by Budayuu using Sanmoto Gorouzaemon's mallet. The story about Inugamigyoubu, "Matsuyama Soudou 808 Tanuki Monogatari" considered as one of the Japanese Big 3 Tanuki Story alongside "Bunbuku Chagama" and "Shoujouji no Tanuki-bayashi"
- Inugamigyoubu Danuki, Tamazuki
* Inugami (犬神) : Shikoku is the home for this practice. It's said that Inugami can be made by either cut a hungry dog's head and burry it in the middle of the street so people trample on it to increased it's gruge and make it more effective as curse tool; another method is by bury it except the head, connect it to a pole and put food in front of it, when it's starved to death, cut it's neck so the head jump into the food, burn it and put it inside a container; and another method is by putting fierce dogs to fight, give a fish to the last dog alive and cut it's neck, then eat the fish remains. Family that have inugami have tendency to be possessed by the inugami.
* Inuhouou (犬鳳凰) : A bird youkai with red crista galli that can breath red fire. The fire doesn't give heat and doesn't burn. Live in the forest deep inside the mountain. Rarely shown itself in front of human. Modeled from Cassowary. Harmless youkai.
* Tearai-oni (手洗鬼) : Daidarabocchi variant. A giant that straddle at the mountains of Shikoku that separated by sea to wash his hand.
* Gan'gi-kozou (岸涯小僧) : Kappa variant. From Ootsu and Abu district, Yamaguchi prefecture. A youkai that catches fish by the riverside with it's emery-like teeth.
* Sodemogi-sama (袖もぎ様) : The roadside god of Chuukoku and Shikoku's folk religion. When you fall in front of it, torn a sleeve and give it to Sodemogi-sama if you don't want to meet a disaster. Also said as a custom of praying for travel's safety by tearing sleeve and have it as offerings.
* Hari-onna (針女) : Originally from Nure-onnago, a youkai from Uwajima, Ehime prefecture. A woman youkai with extremely long hair tipped with thorn-like barbs. It will smile to man, and if the man smiled back, she'll catch him with her hair and bring him away. Mizuki Shigeru renamed it as Hari-onna in his book.
* Muchi (鞭) : Kamaitachi variant. From Kuroiwa, Takaoka district, Kouchi prefecture, wind that blows like whip and causes disease if hit.
* Ko-bouzu (小坊主) : The name for Akashaguma at Kihoku and Uwajima, Ehime prefecture. Shikoku's youkai that look like red-haired kids, stay in people's house. And similar to Zashiki-warashi, also give fortune to the residents and the house will decline when its leave.
* Mamedanuki (豆狸) : A tanuki youkai that uses it's scrotum to play tricks on people.

* Yashima no Kamuro Tanuki (屋島の禿狸) : Also read as Yashima no Hage Tanuki. One of the Japanese 3 famous tanuki alongside Sado no Danzaburou Danuki and Awaji no Shibaemon Tanuki. Long time ago, Taira no Shigemori helped a dying tanuki that stabbed by an arrow. To return the favor, the tanuki sweared to protect Heike (Taira family). Kamuro Tanuki is it's descendant. After Heike annihilated, Kamuro Tanuki became guardian god for Yashima temple, which is the 84th of Shikoku 88 sacred grounds.

* Akagappa (赤河童) : Red kappa. Kappa myths spread across all over Japan with various names and forms. The one that distinct Toono kappa from other area's kappa is it's red-colored skin.
* Kamaitachi (鎌鼬, 窮奇) : A weasel youkai. Riding the dust devil, it cuts human using it's sickle-like claws. It cause a sharp wound but give no pain. The weasel appearance started from Toriyama Sekien's Gazuhyakkiyakou.
- Itaku
* Amanojaku (天邪鬼) : From Amenowakahiko or Amanosagume. Amenowakahiko ordered by Amaterasu to subjugate Ashihara no Nakatsukuni (Japan), but he neglected the order and wed Ookuninushi's daughter. After 8 years passed, Sagina Meijo sent to inspect him. Amanosagume told him to shot Sagina Meijo to death, but after killed Sagina Meijo, the arrow reflected back and killed Amenowakahiko too. The deeds against the will of heaven give the Amanojaku name. Buddha's influence later depicted it as symbol of kleśā, because Bishamon statue have oni face on his armor and stepped on an oni. While the stepped oni is Kahaku, a water demon, it's mistaken with another water demon called Kaijaku (can also read as Amanojaku). In another hand, Amanosagume said to be a priestess that have the power to read weather movement, the future and people's heart. This later contributes to the change to small oni that read human's mind and playing pranks by doing the opposite.
- Awashima
* Numagappa (沼河童) : Swamp kappa.
- Amezou
* Futtachi (経立) : From Aomori and Iwate prefecture. Animals like ape, chicken, fish etc that have aged greatly more than normal turned into Futtachi.
- Dohiko
* Zashiki-warashi (座敷童子) : Centered at Iwate, the legend distributed across Touhoku. Appear as 5 or 6 year child with bobbed hair and a red face. The male wears black kimono, while the female wears red kosode, or sometimes furisode. Zashiki-warashi can be found in well-maintained and preferably large old houses. Zashiki-warashi brings great fortune but should a zashiki-warashi depart, the domain will decline. A Zashiki-warashi wears all white is notice of fortune, while wears all red is an omen of misfortune caused by Zashiki-warashi leave.
- Yukari
* Namahage (生剥) : From a festival in Akita prefecture. Oni faced, wears rain coat, gaiter and shoes made of straw and wield a kitchen knife. The red faced usually called as Jijinamahage, while the blue one Babanamahage.
* Kappainu (河童犬) : Kappa dog.

* Hagoromo Gitsune (羽衣狐) : From Kuzunoha. A fox that lived in Shinoda forest and married a human,Abe no Yasune, after he saved her life. Abe no Seimei's mother.
* Nue (鵺, 鵼, 恠鳥, 奴延鳥) : Originally from White's thrush chirping voice at night. The eerie sound considered as misfortune. Mysterious youkai. In Heikei monogatari described as having monkey's head, raccoon's body, tiger's limb and snake as tail, while in Genpei Jousuiki described as having tiger's back, raccoon's leg, fox's tail, cat's head and chicken's body. Appears with black clouds surround it.
* Kidoumaru (鬼童丸) : Shuten-douji's son, half-oni and half-human. He try to revenge Shuten-douji and kill Minamoto no Yorimitsu. He heard that Yorimitsu will go to Kurama, so he went there first, killed a cow and hide inside it and waited to ambush Yorimitsu. Yorimitsu saw through of it and ordered Watanabe no Tsuna to shot it. Kidoumaru appeared from inside the cow and attacked Yorimitsu but defeated.
* Shoukera (しょうけら、精螻蛄) : From Koushin faith, in Koushin-machi night, it's said that Shoukera monitors human and punishes those that didn't abide by the rule. Originally a demonization of Sanshi, insects inside human body that said to report human deeds to the Heaven.
* Ibaraki-douji (茨木童子) : Shuten-douji's most important servant. There are two version on his origin. One is he was a bishounen that got cursed into oni caused by licking blood in a love letter. The other one is he was an adopted son of a barber. He incidentally cut a customer and lick the blood. After that, he cut customers on purpose so he can taste it again, after a while he turned into oni. After turned into oni he ran away from home and later met Shuten-douji and became his attendant.
* Kurama Daiten'gu (鞍馬大天狗) : A wise ten'gu that teaches Ushiwakamaru/Shanaou (Minamoto Yoshitsune's child name) martial arts and war tactics. Ten'gu of Mt. Kurama.
* Kyoukotsu (狂骨) : Skeleton thrown into well becomes a ghost.
- Kyoukotsu, Kyoukotsu (daughter)
* Gashadokuro (がしゃどくろ) : A giant skeleton assembled from bodies and grudges of war fallen and those who didn't get proper burial. Youkai created in modern days, firstly described in 1968's Saitou Morihiro's World Youkai Thriller Compilation 2 - World Monster. Based of Kuniyoshi's picture of Takiyasha-hime (Taira no Masakado's daughter) battle with Ooya Mitsukuni.
* Tsuchigumo (土蜘蛛) : Discrimanation to indigenous people who live inside caves and didn't show allegiance to the empire. As youkai, described to have oni face, tiger body and long spider limbs.
* 27-men 1000-ju Mukade (二十七面千手百足) : From 1000-armed Kannon. In Niibo, Sado city, Niigata prefecture, a local belief identify 1000-armed Kannon with centipede. In the past, people there lived by mining. They called mine trail as centipede trail. They believed that 1000-armed Kannon arms show where there is rich deposits to mine.
* Hakuzouzu (白蔵主) : A white fox that disguised as a monk. The monk is a hunter's uncle. He did it to prevent Yasaku, the hunter, from killing more fox.
* Himamushi Nyuudou (火間虫入道) : If there's people working until late, Himamushi Nyuudou will appear and disturbing it. Lazy person turned into this youkai.
* Mukurowaguruwa (骸輪車) : Probably from Katawaguruma. Skeleton with a wheel as one of it's leg.
* Konnyaku-bouzu (こんにゃく坊主) : From Muro, Hidaka and Ito district, Wakayama prefecture. Old konnyaku bulb disguised as traveling monk. Visits temple or farmer's house and asks to lend a bath and a place to sleep. It will always make sure that there's no ash inserted in the bath. Turned back into konnyaku if there is ash mixed.
* Onmoraki (陰摩羅鬼) : From Qing Zun Lu and Taihei Hyakumonogatari. Described as a black crane-like bird with gleaming eyes, high-pitched voice and shaking it's wing. Created from fresh corpse's spirit that didn't get proper offerings. Appeared in front of monks that slack on reading sutra or people that sleep inside a temple.
* Oni (鬼) : Originally from Chinese "Ki" that actually means ghost. With Buddhist influence, it mixed with images of raksasa and yaksa and become nowadays oni.
* Rajoumon no Oni : Oni that dwells in Rashoumon gate.
- Gairouta, Gaitarou, Gaijirou
* Satori (覚) : From Hida and Mino, Gifu prefecture. A youkai that can read human thoughts. Appears as a big monkey walking in two legs. Said to be encountered when walking in mountain path or taking a rest in a mountain. Reads human mind and said it before the human said the word. If the human empty his mind it will disappear. Afraid against unpredictable things like unexpected accidents. Originally from a Chinese youkai named Yamako (玃, originally read as Kaku) in Wakan Sansai Zue, both 玃 (Yamako) and 覚 (Satori) can be read as Kaku hence the naming into Satori.
* Onihitokuchi (鬼一口) : The name means an oni that eats human just in one bite. From Ise monogatari. Ariwara no Narihira and Fujiwara no Takaiko love each other, but because of their different social status, they can't be together. The man finally kidnap the woman, but in the middle of the escape, when night came thunderstorm approaching. He found unclosed warehouse and hide her inside, while he took guard in front of the warehouse wielding bow and arrow and wait for daybreak. But in the morning, when he peek inside the warehouse, no signs of her. She was eaten by Onihitokuchi and her death-scream was erased by thunders.
* Anzan (闇斬) : A ninja skeleton.
* Gyuuriki (牛力) : Kidoumaru's henchman A.
* Danki (断鬼) : Kidoumaru's henchman B.
* Nurikabe (塗壁) : From Onga district, Fukuyama prefecture. Wall-like youkai that impedes walking travelers at night.
* Sanzu'uo (三途魚) : Fish of Sanzu river.

* Sanmoto Gorouzaemon : From Inou mononoke-roku. He and Shinno Akugorou made a bet with whoever win will have Maou leader position as stake, the bet is to scare off 100 brave young men. Heidayuu is the 86th men, but after Heidayuu withstand it for 39 nights, he appeared in front of him in the 40th night and gave him Maou no Kozuchi.
* Sanmoto's brain/Mitsume Yazura (三つ目八面) : Three-eyed demon that have eight faces.
* Sanmoto's mouth/Enchou (圓潮)
* Sanmoto's ear/Yanagida (柳田)
* Sanmoto's face's skin/Tamasaburou (珠三郎)
* Sanmoto's bone/Raiden (雷電)
* Sanmoto's arm/Kyousai (鏡斎)
* Sanmoto's body Maou version
* Sanmoto's body Messiah version
* Sanmoto's heart/Maou no kozuchi (魔王の小槌)
* Sanmoto's left eye/Minagoroshi Jizou (鏖地蔵)
* Sanmoto's duodenum/Akujo Nokaze (悪女野風) : From Harukawa Goshichi's Ten'enkigu. With her husband, Yokoshima Guntouroku, she kills a lot until they kill Akamatsu Harutoki and his wife, Akemi. Harutoki and Akemi's and the victims grudge make her sick and her body rot, until 99 mouths appear all over her body, as Nokaze slashed Akemi's body 99 times when Nokaze killed her. She ended up eat even her own children and become an exhibition in Shido temple as "99 mouths woman". Akemi's son, Yonekichi come across the show with the guidance of Kannon (Kwan Im), the 99 mouths open and Akemi's ghost wail their tragedy through the mouths, hearing it Yonekichi kill her. Yonekichi's name can be disintegrated into 88, 11 and mouth, make him the real "99 mouths", while Nokaze has her human's original mouth, made her actually has 100 mouths.
* Sanmoto's heel bone
* Sanmoto's teethridge
* Sanmoto's arch of foot
* Sanmoto's left pinky
* Sanmoto's eyebrows
* Sanmoto's visceral fat
* Sanmoto's semicircular canals
* Sanmoto's right chin
* Sanmoto's pectoral muscle
* Yosuzume (夜雀) : From Kouchi and Ehime prefecture. A sparrow youkai that appears at night. Causes nyctalopia to traveller.
* Kirisaki Tooryanse (切裂とおりゃんせ)
* Cannibal village (人喰い村)
* Subway ghost girl (地下鉄の幽霊少女)
* Kudan (件) : Youkai with cow's body and human face born from a cow. The male one will give prophecy of calamity and so depicted as bad omen, it will die soon after the calamity happen. The female one is long-lived compared to the male one and she will tell ways to evade calamity and bad things that may happen in near future. Kudan prophecy is said to be accurate and the truth.
* Mappira (真っ平) : A dog-like faced youkai, from Bakemono-tsukushi Emaki.
* Otora-tsuki (おとら憑き) : Kitsune-tsuki variant. From Aichi-prefecture. Otora-gitsune originally a fox familiar of an Inari shrine in Nagashino, but people neglect the shrine in Battle of Nagashino (1575) so it recent human. They who get possessed will have illness from left eye to left feet, as it got hit by bullets in that part in the battle. The left part of possessed human seems like a fox.
* Oniyotaka (鬼夜鷹)
* Manbamukade (まんば百足)
* Ashitori-bouzu (足取り坊主)
* OOroi no kai

* Shuten-douji (酒呑童子, 酒顛童子) : Leader of oni, said to be the strongest oni. Made his base at Mt. Oe and rampaging Kyoto and the villages around. Born as Gedoumaru in Echigo, he studied at Kokujouji. Because of his handsome face, a lot of girls wrote love letters to him, but he concentrated on his study and didn't pay attention to the letters. Because of no reply the girls have broken heart and commit suicide. Hearing this, Gedoumaru tried to read the letters, but from the letters, smoke engulfed him and turned him into oni. There's another theory of Shuten-douji as descendant of Yamata no Orochi.
* Sutoku Joukou (崇徳上皇) : Former emperor that get exiled to Sanuki and said to turned into Ooten'gu. The fall of the Imperial influence, the rise of the first shogunate, Kamakura bakufu, draught, internal unrest etc were blamed on him. With Shuten-douji and Hakumen Konmou Kyuubi no Kitsune, considered as Japan 3 vilest youkai.
* Tsukumogami (付喪神) : 100 years old items turned alive and aware.
* Kyuuso (旧鼠) : A rat that turned into youkai. If there's kyuuso that eats cats, there's also one that raises cats.
* Hebidayu (蛇太夫) : A snake youkai.
* Ungaikyou (雲外鏡) : A tsukumogami of 100 years old mirror. Have it's face reflected in the mirror surface.
* Anta & Yomekko : A crow-like youkai and his 3-eyed wife.
* 50-me 50-guchi (五十目五十口) : A crossbreed youkai that have 50 eyes and 50 mouths, offspring of Dodomeki and Kubikajiri.
* Dodomeki (百々目鬼) : A kleptomaniac woman turned into youkai. A woman that can't stop pickpocketing have eye popped up in her arms every time she steal and in the end actually have 100 eyes. Appears at night street and scare people by showing her arm.
* Kubikajiri (首齧り) : A youkai that feed on corpse's flesh, especially like to gnaw the head part. Appears at graveyard (Japanese people bury their dead in the past, different with the present where they cremated the dead and only placed a grave marker in the grave). Japanese ghoul.
* Seto Taishou (瀬戸大将) : Porcelain and ceramics tsukumogami. Modeled from Guan Yu and Cao Cao, it is said that Seto (ceramics made in east Japan, symbolizing Guan Yu) have a fierce battle with Karatsu (ceramics made in west Japan, symbolizing Cao Cao).
* Fudemame-kozou (筆まめ小僧): Tsukumogami of writing brush.
- 1 of the image character of Jump Scout Caravan 2008
* Hakutaku/Bai Ze (白澤) : A bovine creature with nine eyes and six horns, arranged in sets of three and two on both its flanks and its man-like face.
- Guest character from Hitomi no Catblepas
* Kechikechimoku (血血木) : A vampiric tree youkai. Can disguise as a little girl and pretend to be sick, and then absorbs blood of passerby who approaching to make sure her condition.
* Senbiki Ookami (千疋狼) : Youkai made of a pack of wolves. The pack leader is the mother. Like to make signs to show that it's their territory.

* Jorougumo (?) : A 400 years old spider turned into youkai. Appears as seductive woman at day and spider at night.
* Kani-bouzu (?) : From Kainokuni (Yamanashi prefecture). A crab youkai that disguise as a monk. Stays in a pond beside a temple and eats monks responsible for the temple.
* Taira no Yoshikado (?) : Taira no Masakado's son. With his step-sister, Takiyasha-hime, tried to avenge his father. He started to depicted as youkai from mid-Edo period such as in Kabuki's Kanhassyuu Tsunagi Uma. Spent his childhood at Mt. Tsukuba, he learned demonic arts from a toad spirit there and able to transform into toad.
? A monkey youkai. Shoujou? Sarugami?
? One of the group leader with a huge cage as it's head.
* Hitotsume-kozou (?) : A youkai with one eye.
? A frog with 破壊 (destruction) written in it's stomach. Hakaigaeru? Gama?
? Kirby?
? One of Zen's tsukumogami pot for storing first aid kit. ??tsubo
? A black horned samurai. Hitotsuki? Onimusha?
? A same face but with different body, one humanoid and the other giant tiger. I thought it was Nue but the recent chapter proved that I'm wrong. Probably a shape-shifter. Jinko?
? A youkai with one eye and smiling face/mask.
? Insect youkai?
? A tsukumogami of a fan?
? Youkai with one eye and a lot of eyes floating around it. Hyakume?
? Looks like a hybrid of human and ghost youkai?
? Chirizuka Kaiou? Not look like a tsukumogami or garbage though
? Looks like a piece of cloth. Ittanmomen?

Re: The Youkai Thread

She didn't actually show up in a chapter, it's in ch 32 color spread (bottom left corner). Should I delete her from the list? Because there's also Katawa-guruma and Nyou'ijizai in the page but I don't include them. And they have small chance to really appear in the manga...

Re: The Youkai Thread

This thread is actually the reason I have joined mangahelpers. It's so great to see other people who are interested in Youkai 8D
I have been studying Youkai academically for five years in a limited capacity, and my Japanese is not yet quite good enough to completely understand some research material. For this reason, I absolutely love your list, Sama_al_Azraq. I assume (and please correct me if I'm wrong) that you are getting information on some of the stranger Youkai from the Japanese wikipedia articles for them. Would you be willing to give me more information on the Shoukera?

I enjoy most Youkai, but my favorites are the weirder ones. It's really great how Shiibashi-sensei mixes in well-known Youkai with more obscure ones. So far, I really like how he has depicted Gashadokuro. I also found his portrayal of Tsuchigumo to be very interesting and fucking fun to read. Also, if anyone has any information on Minagoroshijizou, I'd love to see it. I can't tell if he's an invention of the author or a real Youkai, as I've never been able to find any information on him.

Re: The Youkai Thread

Welcome aboard.
You're right, majority of the information is from wiki.

Shoukera (しょうけら, 精螻蛄)
Because there's no explanation in Hyakkaizukan or Gazihyakkiyakou, it's based on conjecture. Shoukera is mentioned in a folk religion, Koushin faith. The Koushin-machi event is where people stay awake all night at Koushin night. It's believed that in Koushin night, Sanshi worms that live inside human's body will ascend to Heaven and report about the human's sin. So they stay awake so the worms won't come out of their body. If someone slept at the night, to evade harm they should chant an incantation where Shoukera name is mentioned. In here, Shoukera is seen as a youkai that do harm to human at Koushin night.
In a document written at Ganroku era, "Koushinden", Shoukera refers to Sanshi worms, or to personification of Sanshi, drawn with one of the Sanshi, the beast-shaped Sanshi, as the model.
In Gazuhyakkiyakou, Shoukera drawn as watching from the house roof's skylight the situation inside the house. Since then, in documents concerning youkai at Shouwa and Heisei era, Shoukera is explained as a youkai that monitoring the human if they abide by the rule or not in Koushin-machi night. And he will punish human who break the rule.

My favorite youkai is Nattou-kozou and Toufu-kozou. I also like Sune-kosuri and the frog youkai (don't know the name).
I think Minagoroshi Jizou is Shiibashi's original, can't find any reference of him.